qīng tóng qì shí dài
the Bronze Age
also written 青銅時代|青铜时代[Qing1 tong2 Shi2 dai4]
青
qīng
abbr. for 青海[Qing1 hai3], Qinghai Province
铜
tóng
copper (chemistry)
器
qì
device
时
shí
o'clock
代
dài
to be a substitute for; to act on behalf of; to replace; to substitute
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